Matzal C, Manahan K, Galaty B, Wang H, Barbarics M. Guided Discovery in Hungarian Education Using Problem Threads: The Pósa Method in Secondary Mathematics Classrooms. Teach. Math. Comp. Sci. [Internet]. 2020 Oct. 12 [cited 2024 Nov. 23];18(1):51-67. Available from: https://ojs.lib.unideb.hu/tmcs/article/view/10963